CVE-2026-56265

Critical

Description

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

SeverityCritical

CVSS9.8

Exploit probability—

ProductKidocode Crawl4ai

PublishedJun 21, 2026

First seenJun 21, 2026

Weakness typeCWE-798Hard-coded credentials

How to fix

Update

kidocode crawl4ai0.8.7 or later

Vendor advisories

github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg

Affected products

Product	Affected versions	Fixed in
kidocode crawl4ai	v < 0.8.7	0.8.7

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